Clinical research
Being tested in people in registered clinical trials. Being in trials is not evidence that a treatment works or is safe.
Cosa sta testando questo trial
A large late-stage trial testing whether a single infusion of a CRISPR treatment, which switches off a gene in the liver, helps people whose hearts are being damaged by amyloid deposits. In 2025 a participant died of liver failure after dosing; the trial was paused and placed on hold by the FDA, and the hold was later lifted.
A global Phase 3 study of nexiguran ziclumeran, a lipid-nanoparticle CRISPR-Cas9 therapy knocking out hepatic TTR, in participants with ATTR cardiomyopathy. Following a serious hepatic adverse event and death in a participant in his early eighties, Intellia voluntarily paused dosing and screening; the FDA imposed a clinical hold, which was subsequently lifted for this study.
Sources
- Intellia Therapeutics · 2025
Intellia provides update on MAGNITUDE clinical trials ↗ - Intellia Therapeutics · 2025
Intellia announces FDA lift of clinical hold on MAGNITUDE Phase 3 clinical trial in ATTR-CM ↗
Cosa significa (e cosa non significa) il risultato di un trial
I risultati delle fasi iniziali provengono da un numero ridotto di partecipanti e da un follow-up breve. Possono cambiare con più persone e più tempo, e una sperimentazione in fase di arruolamento, attiva o anche completata non ha dimostrato che un trattamento funzioni. I criteri di arruolamento sono rigidi; l'idoneità è stabilita dal centro che conduce la sperimentazione, mai da un sito web.